//******************************************************************************
/*++
  Copyright (C) 2012-2022 https://iMonitorSDK.com

  This file is part of iMonitor.
 
  iMonitor is free software, you can redistribute it and/or modify
  it under the GNU Affero General Public License Version 3, or any later version.
  
  For other usage or business cooperation, please contact admin@iMonitorSDK.com
  
--*/
//******************************************************************************
#ifndef __CRC_H__
#define __CRC_H__
//******************************************************************************
// clang-format off
//******************************************************************************
BEGIN_NAME_SPACE(global)
//******************************************************************************
static const ULONG CRC32_Table[] =
{
	0x00000000, 0x77073096, 0xee0e612c, 0x990951ba, 0x076dc419, 0x706af48f, 0xe963a535, 0x9e6495a3,
	0x0edb8832, 0x79dcb8a4, 0xe0d5e91e, 0x97d2d988, 0x09b64c2b, 0x7eb17cbd, 0xe7b82d07, 0x90bf1d91,
	0x1db71064, 0x6ab020f2, 0xf3b97148, 0x84be41de, 0x1adad47d, 0x6ddde4eb, 0xf4d4b551, 0x83d385c7,
	0x136c9856, 0x646ba8c0, 0xfd62f97a, 0x8a65c9ec, 0x14015c4f, 0x63066cd9, 0xfa0f3d63, 0x8d080df5,
	0x3b6e20c8, 0x4c69105e, 0xd56041e4, 0xa2677172, 0x3c03e4d1, 0x4b04d447, 0xd20d85fd, 0xa50ab56b,
	0x35b5a8fa, 0x42b2986c, 0xdbbbc9d6, 0xacbcf940, 0x32d86ce3, 0x45df5c75, 0xdcd60dcf, 0xabd13d59,
	0x26d930ac, 0x51de003a, 0xc8d75180, 0xbfd06116, 0x21b4f4b5, 0x56b3c423, 0xcfba9599, 0xb8bda50f,
	0x2802b89e, 0x5f058808, 0xc60cd9b2, 0xb10be924, 0x2f6f7c87, 0x58684c11, 0xc1611dab, 0xb6662d3d,
	0x76dc4190, 0x01db7106, 0x98d220bc, 0xefd5102a, 0x71b18589, 0x06b6b51f, 0x9fbfe4a5, 0xe8b8d433,
	0x7807c9a2, 0x0f00f934, 0x9609a88e, 0xe10e9818, 0x7f6a0dbb, 0x086d3d2d, 0x91646c97, 0xe6635c01,
	0x6b6b51f4, 0x1c6c6162, 0x856530d8, 0xf262004e, 0x6c0695ed, 0x1b01a57b, 0x8208f4c1, 0xf50fc457,
	0x65b0d9c6, 0x12b7e950, 0x8bbeb8ea, 0xfcb9887c, 0x62dd1ddf, 0x15da2d49, 0x8cd37cf3, 0xfbd44c65,
	0x4db26158, 0x3ab551ce, 0xa3bc0074, 0xd4bb30e2, 0x4adfa541, 0x3dd895d7, 0xa4d1c46d, 0xd3d6f4fb,
	0x4369e96a, 0x346ed9fc, 0xad678846, 0xda60b8d0, 0x44042d73, 0x33031de5, 0xaa0a4c5f, 0xdd0d7cc9,
	0x5005713c, 0x270241aa, 0xbe0b1010, 0xc90c2086, 0x5768b525, 0x206f85b3, 0xb966d409, 0xce61e49f,
	0x5edef90e, 0x29d9c998, 0xb0d09822, 0xc7d7a8b4, 0x59b33d17, 0x2eb40d81, 0xb7bd5c3b, 0xc0ba6cad,
	0xedb88320, 0x9abfb3b6, 0x03b6e20c, 0x74b1d29a, 0xead54739, 0x9dd277af, 0x04db2615, 0x73dc1683,
	0xe3630b12, 0x94643b84, 0x0d6d6a3e, 0x7a6a5aa8, 0xe40ecf0b, 0x9309ff9d, 0x0a00ae27, 0x7d079eb1,
	0xf00f9344, 0x8708a3d2, 0x1e01f268, 0x6906c2fe, 0xf762575d, 0x806567cb, 0x196c3671, 0x6e6b06e7,
	0xfed41b76, 0x89d32be0, 0x10da7a5a, 0x67dd4acc, 0xf9b9df6f, 0x8ebeeff9, 0x17b7be43, 0x60b08ed5,
	0xd6d6a3e8, 0xa1d1937e, 0x38d8c2c4, 0x4fdff252, 0xd1bb67f1, 0xa6bc5767, 0x3fb506dd, 0x48b2364b,
	0xd80d2bda, 0xaf0a1b4c, 0x36034af6, 0x41047a60, 0xdf60efc3, 0xa867df55, 0x316e8eef, 0x4669be79,
	0xcb61b38c, 0xbc66831a, 0x256fd2a0, 0x5268e236, 0xcc0c7795, 0xbb0b4703, 0x220216b9, 0x5505262f,
	0xc5ba3bbe, 0xb2bd0b28, 0x2bb45a92, 0x5cb36a04, 0xc2d7ffa7, 0xb5d0cf31, 0x2cd99e8b, 0x5bdeae1d,
	0x9b64c2b0, 0xec63f226, 0x756aa39c, 0x026d930a, 0x9c0906a9, 0xeb0e363f, 0x72076785, 0x05005713,
	0x95bf4a82, 0xe2b87a14, 0x7bb12bae, 0x0cb61b38, 0x92d28e9b, 0xe5d5be0d, 0x7cdcefb7, 0x0bdbdf21,
	0x86d3d2d4, 0xf1d4e242, 0x68ddb3f8, 0x1fda836e, 0x81be16cd, 0xf6b9265b, 0x6fb077e1, 0x18b74777,
	0x88085ae6, 0xff0f6a70, 0x66063bca, 0x11010b5c, 0x8f659eff, 0xf862ae69, 0x616bffd3, 0x166ccf45,
	0xa00ae278, 0xd70dd2ee, 0x4e048354, 0x3903b3c2, 0xa7672661, 0xd06016f7, 0x4969474d, 0x3e6e77db,
	0xaed16a4a, 0xd9d65adc, 0x40df0b66, 0x37d83bf0, 0xa9bcae53, 0xdebb9ec5, 0x47b2cf7f, 0x30b5ffe9,
	0xbdbdf21c, 0xcabac28a, 0x53b39330, 0x24b4a3a6, 0xbad03605, 0xcdd70693, 0x54de5729, 0x23d967bf,
	0xb3667a2e, 0xc4614ab8, 0x5d681b02, 0x2a6f2b94, 0xb40bbe37, 0xc30c8ea1, 0x5a05df1b, 0x2d02ef8d,
};
//******************************************************************************
static const ULONGLONG CRC64_Table[] = 
{
	ULONGLONG(0x0000000000000000), ULONGLONG(0x7ad870c830358979),
	ULONGLONG(0xf5b0e190606b12f2), ULONGLONG(0x8f689158505e9b8b),
	ULONGLONG(0xc038e5739841b68f), ULONGLONG(0xbae095bba8743ff6),
	ULONGLONG(0x358804e3f82aa47d), ULONGLONG(0x4f50742bc81f2d04),
	ULONGLONG(0xab28ecb46814fe75), ULONGLONG(0xd1f09c7c5821770c),
	ULONGLONG(0x5e980d24087fec87), ULONGLONG(0x24407dec384a65fe),
	ULONGLONG(0x6b1009c7f05548fa), ULONGLONG(0x11c8790fc060c183),
	ULONGLONG(0x9ea0e857903e5a08), ULONGLONG(0xe478989fa00bd371),
	ULONGLONG(0x7d08ff3b88be6f81), ULONGLONG(0x07d08ff3b88be6f8),
	ULONGLONG(0x88b81eabe8d57d73), ULONGLONG(0xf2606e63d8e0f40a),
	ULONGLONG(0xbd301a4810ffd90e), ULONGLONG(0xc7e86a8020ca5077),
	ULONGLONG(0x4880fbd87094cbfc), ULONGLONG(0x32588b1040a14285),
	ULONGLONG(0xd620138fe0aa91f4), ULONGLONG(0xacf86347d09f188d),
	ULONGLONG(0x2390f21f80c18306), ULONGLONG(0x594882d7b0f40a7f),
	ULONGLONG(0x1618f6fc78eb277b), ULONGLONG(0x6cc0863448deae02),
	ULONGLONG(0xe3a8176c18803589), ULONGLONG(0x997067a428b5bcf0),
	ULONGLONG(0xfa11fe77117cdf02), ULONGLONG(0x80c98ebf2149567b),
	ULONGLONG(0x0fa11fe77117cdf0), ULONGLONG(0x75796f2f41224489),
	ULONGLONG(0x3a291b04893d698d), ULONGLONG(0x40f16bccb908e0f4),
	ULONGLONG(0xcf99fa94e9567b7f), ULONGLONG(0xb5418a5cd963f206),
	ULONGLONG(0x513912c379682177), ULONGLONG(0x2be1620b495da80e),
	ULONGLONG(0xa489f35319033385), ULONGLONG(0xde51839b2936bafc),
	ULONGLONG(0x9101f7b0e12997f8), ULONGLONG(0xebd98778d11c1e81),
	ULONGLONG(0x64b116208142850a), ULONGLONG(0x1e6966e8b1770c73),
	ULONGLONG(0x8719014c99c2b083), ULONGLONG(0xfdc17184a9f739fa),
	ULONGLONG(0x72a9e0dcf9a9a271), ULONGLONG(0x08719014c99c2b08),
	ULONGLONG(0x4721e43f0183060c), ULONGLONG(0x3df994f731b68f75),
	ULONGLONG(0xb29105af61e814fe), ULONGLONG(0xc849756751dd9d87),
	ULONGLONG(0x2c31edf8f1d64ef6), ULONGLONG(0x56e99d30c1e3c78f),
	ULONGLONG(0xd9810c6891bd5c04), ULONGLONG(0xa3597ca0a188d57d),
	ULONGLONG(0xec09088b6997f879), ULONGLONG(0x96d1784359a27100),
	ULONGLONG(0x19b9e91b09fcea8b), ULONGLONG(0x636199d339c963f2),
	ULONGLONG(0xdf7adabd7a6e2d6f), ULONGLONG(0xa5a2aa754a5ba416),
	ULONGLONG(0x2aca3b2d1a053f9d), ULONGLONG(0x50124be52a30b6e4),
	ULONGLONG(0x1f423fcee22f9be0), ULONGLONG(0x659a4f06d21a1299),
	ULONGLONG(0xeaf2de5e82448912), ULONGLONG(0x902aae96b271006b),
	ULONGLONG(0x74523609127ad31a), ULONGLONG(0x0e8a46c1224f5a63),
	ULONGLONG(0x81e2d7997211c1e8), ULONGLONG(0xfb3aa75142244891),
	ULONGLONG(0xb46ad37a8a3b6595), ULONGLONG(0xceb2a3b2ba0eecec),
	ULONGLONG(0x41da32eaea507767), ULONGLONG(0x3b024222da65fe1e),
	ULONGLONG(0xa2722586f2d042ee), ULONGLONG(0xd8aa554ec2e5cb97),
	ULONGLONG(0x57c2c41692bb501c), ULONGLONG(0x2d1ab4dea28ed965),
	ULONGLONG(0x624ac0f56a91f461), ULONGLONG(0x1892b03d5aa47d18),
	ULONGLONG(0x97fa21650afae693), ULONGLONG(0xed2251ad3acf6fea),
	ULONGLONG(0x095ac9329ac4bc9b), ULONGLONG(0x7382b9faaaf135e2),
	ULONGLONG(0xfcea28a2faafae69), ULONGLONG(0x8632586aca9a2710),
	ULONGLONG(0xc9622c4102850a14), ULONGLONG(0xb3ba5c8932b0836d),
	ULONGLONG(0x3cd2cdd162ee18e6), ULONGLONG(0x460abd1952db919f),
	ULONGLONG(0x256b24ca6b12f26d), ULONGLONG(0x5fb354025b277b14),
	ULONGLONG(0xd0dbc55a0b79e09f), ULONGLONG(0xaa03b5923b4c69e6),
	ULONGLONG(0xe553c1b9f35344e2), ULONGLONG(0x9f8bb171c366cd9b),
	ULONGLONG(0x10e3202993385610), ULONGLONG(0x6a3b50e1a30ddf69),
	ULONGLONG(0x8e43c87e03060c18), ULONGLONG(0xf49bb8b633338561),
	ULONGLONG(0x7bf329ee636d1eea), ULONGLONG(0x012b592653589793),
	ULONGLONG(0x4e7b2d0d9b47ba97), ULONGLONG(0x34a35dc5ab7233ee),
	ULONGLONG(0xbbcbcc9dfb2ca865), ULONGLONG(0xc113bc55cb19211c),
	ULONGLONG(0x5863dbf1e3ac9dec), ULONGLONG(0x22bbab39d3991495),
	ULONGLONG(0xadd33a6183c78f1e), ULONGLONG(0xd70b4aa9b3f20667),
	ULONGLONG(0x985b3e827bed2b63), ULONGLONG(0xe2834e4a4bd8a21a),
	ULONGLONG(0x6debdf121b863991), ULONGLONG(0x1733afda2bb3b0e8),
	ULONGLONG(0xf34b37458bb86399), ULONGLONG(0x8993478dbb8deae0),
	ULONGLONG(0x06fbd6d5ebd3716b), ULONGLONG(0x7c23a61ddbe6f812),
	ULONGLONG(0x3373d23613f9d516), ULONGLONG(0x49aba2fe23cc5c6f),
	ULONGLONG(0xc6c333a67392c7e4), ULONGLONG(0xbc1b436e43a74e9d),
	ULONGLONG(0x95ac9329ac4bc9b5), ULONGLONG(0xef74e3e19c7e40cc),
	ULONGLONG(0x601c72b9cc20db47), ULONGLONG(0x1ac40271fc15523e),
	ULONGLONG(0x5594765a340a7f3a), ULONGLONG(0x2f4c0692043ff643),
	ULONGLONG(0xa02497ca54616dc8), ULONGLONG(0xdafce7026454e4b1),
	ULONGLONG(0x3e847f9dc45f37c0), ULONGLONG(0x445c0f55f46abeb9),
	ULONGLONG(0xcb349e0da4342532), ULONGLONG(0xb1eceec59401ac4b),
	ULONGLONG(0xfebc9aee5c1e814f), ULONGLONG(0x8464ea266c2b0836),
	ULONGLONG(0x0b0c7b7e3c7593bd), ULONGLONG(0x71d40bb60c401ac4),
	ULONGLONG(0xe8a46c1224f5a634), ULONGLONG(0x927c1cda14c02f4d),
	ULONGLONG(0x1d148d82449eb4c6), ULONGLONG(0x67ccfd4a74ab3dbf),
	ULONGLONG(0x289c8961bcb410bb), ULONGLONG(0x5244f9a98c8199c2),
	ULONGLONG(0xdd2c68f1dcdf0249), ULONGLONG(0xa7f41839ecea8b30),
	ULONGLONG(0x438c80a64ce15841), ULONGLONG(0x3954f06e7cd4d138),
	ULONGLONG(0xb63c61362c8a4ab3), ULONGLONG(0xcce411fe1cbfc3ca),
	ULONGLONG(0x83b465d5d4a0eece), ULONGLONG(0xf96c151de49567b7),
	ULONGLONG(0x76048445b4cbfc3c), ULONGLONG(0x0cdcf48d84fe7545),
	ULONGLONG(0x6fbd6d5ebd3716b7), ULONGLONG(0x15651d968d029fce),
	ULONGLONG(0x9a0d8ccedd5c0445), ULONGLONG(0xe0d5fc06ed698d3c),
	ULONGLONG(0xaf85882d2576a038), ULONGLONG(0xd55df8e515432941),
	ULONGLONG(0x5a3569bd451db2ca), ULONGLONG(0x20ed197575283bb3),
	ULONGLONG(0xc49581ead523e8c2), ULONGLONG(0xbe4df122e51661bb),
	ULONGLONG(0x3125607ab548fa30), ULONGLONG(0x4bfd10b2857d7349),
	ULONGLONG(0x04ad64994d625e4d), ULONGLONG(0x7e7514517d57d734),
	ULONGLONG(0xf11d85092d094cbf), ULONGLONG(0x8bc5f5c11d3cc5c6),
	ULONGLONG(0x12b5926535897936), ULONGLONG(0x686de2ad05bcf04f),
	ULONGLONG(0xe70573f555e26bc4), ULONGLONG(0x9ddd033d65d7e2bd),
	ULONGLONG(0xd28d7716adc8cfb9), ULONGLONG(0xa85507de9dfd46c0),
	ULONGLONG(0x273d9686cda3dd4b), ULONGLONG(0x5de5e64efd965432),
	ULONGLONG(0xb99d7ed15d9d8743), ULONGLONG(0xc3450e196da80e3a),
	ULONGLONG(0x4c2d9f413df695b1), ULONGLONG(0x36f5ef890dc31cc8),
	ULONGLONG(0x79a59ba2c5dc31cc), ULONGLONG(0x037deb6af5e9b8b5),
	ULONGLONG(0x8c157a32a5b7233e), ULONGLONG(0xf6cd0afa9582aa47),
	ULONGLONG(0x4ad64994d625e4da), ULONGLONG(0x300e395ce6106da3),
	ULONGLONG(0xbf66a804b64ef628), ULONGLONG(0xc5bed8cc867b7f51),
	ULONGLONG(0x8aeeace74e645255), ULONGLONG(0xf036dc2f7e51db2c),
	ULONGLONG(0x7f5e4d772e0f40a7), ULONGLONG(0x05863dbf1e3ac9de),
	ULONGLONG(0xe1fea520be311aaf), ULONGLONG(0x9b26d5e88e0493d6),
	ULONGLONG(0x144e44b0de5a085d), ULONGLONG(0x6e963478ee6f8124),
	ULONGLONG(0x21c640532670ac20), ULONGLONG(0x5b1e309b16452559),
	ULONGLONG(0xd476a1c3461bbed2), ULONGLONG(0xaeaed10b762e37ab),
	ULONGLONG(0x37deb6af5e9b8b5b), ULONGLONG(0x4d06c6676eae0222),
	ULONGLONG(0xc26e573f3ef099a9), ULONGLONG(0xb8b627f70ec510d0),
	ULONGLONG(0xf7e653dcc6da3dd4), ULONGLONG(0x8d3e2314f6efb4ad),
	ULONGLONG(0x0256b24ca6b12f26), ULONGLONG(0x788ec2849684a65f),
	ULONGLONG(0x9cf65a1b368f752e), ULONGLONG(0xe62e2ad306bafc57),
	ULONGLONG(0x6946bb8b56e467dc), ULONGLONG(0x139ecb4366d1eea5),
	ULONGLONG(0x5ccebf68aecec3a1), ULONGLONG(0x2616cfa09efb4ad8),
	ULONGLONG(0xa97e5ef8cea5d153), ULONGLONG(0xd3a62e30fe90582a),
	ULONGLONG(0xb0c7b7e3c7593bd8), ULONGLONG(0xca1fc72bf76cb2a1),
	ULONGLONG(0x45775673a732292a), ULONGLONG(0x3faf26bb9707a053),
	ULONGLONG(0x70ff52905f188d57), ULONGLONG(0x0a2722586f2d042e),
	ULONGLONG(0x854fb3003f739fa5), ULONGLONG(0xff97c3c80f4616dc),
	ULONGLONG(0x1bef5b57af4dc5ad), ULONGLONG(0x61372b9f9f784cd4),
	ULONGLONG(0xee5fbac7cf26d75f), ULONGLONG(0x9487ca0fff135e26),
	ULONGLONG(0xdbd7be24370c7322), ULONGLONG(0xa10fceec0739fa5b),
	ULONGLONG(0x2e675fb4576761d0), ULONGLONG(0x54bf2f7c6752e8a9),
	ULONGLONG(0xcdcf48d84fe75459), ULONGLONG(0xb71738107fd2dd20),
	ULONGLONG(0x387fa9482f8c46ab), ULONGLONG(0x42a7d9801fb9cfd2),
	ULONGLONG(0x0df7adabd7a6e2d6), ULONGLONG(0x772fdd63e7936baf),
	ULONGLONG(0xf8474c3bb7cdf024), ULONGLONG(0x829f3cf387f8795d),
	ULONGLONG(0x66e7a46c27f3aa2c), ULONGLONG(0x1c3fd4a417c62355),
	ULONGLONG(0x935745fc4798b8de), ULONGLONG(0xe98f353477ad31a7),
	ULONGLONG(0xa6df411fbfb21ca3), ULONGLONG(0xdc0731d78f8795da),
	ULONGLONG(0x536fa08fdfd90e51), ULONGLONG(0x29b7d047efec8728),
};
//******************************************************************************
inline ULONG CRC32(const unsigned char* Data, ULONG Length, ULONG CRC = 0)
{
	CRC = ~CRC;

	for (ULONG i = 0; i < Length; i++)
		CRC = CRC32_Table[(UCHAR)(CRC ^ (UCHAR)Data[i])] ^ (CRC >> 8);

	return ~CRC; 
}
//******************************************************************************
inline ULONG CRC32(const char* Data, ULONG CRC = 0)
{
	ULONG length = (ULONG)strlen(Data);

	CRC = ~CRC;

	for (ULONG i = 0; i < length; i++)
		CRC = CRC32_Table[(UCHAR)(CRC ^ (UCHAR)Data[i])] ^ (CRC >> 8);

	return ~CRC;
}
//******************************************************************************
//
//	CRC64
//
//******************************************************************************
inline ULONGLONG CRC64(const unsigned char* Data, ULONG Length, ULONGLONG CRC = 0)
{
	CRC = ~CRC;

	for (ULONG i = 0; i < Length; i++)
		CRC = CRC64_Table[(UCHAR)(CRC ^ Data[i])] ^ (CRC >> 8);

	return ~CRC;
}
//******************************************************************************
inline ULONGLONG CRC64(const char* Data, ULONGLONG CRC = 0)
{
	ULONG length = (ULONG)strlen(Data);

	CRC = ~CRC;

	for (ULONG i = 0; i < length; i++)
		CRC = CRC64_Table[(UCHAR)(CRC ^ (UCHAR)Data[i])] ^ (CRC >> 8);

	return ~CRC;
}
//******************************************************************************
inline ULONGLONG CRC64(const CStringW& Data, ULONGLONG CRC = 0)
{
	return CRC64(CW2A(Data, CP_UTF8), CRC);
}
//******************************************************************************
inline ULONGLONG CRC64(ULONGLONG Data, ULONGLONG CRC = 0)
{
	return CRC64((const unsigned char*)&Data, sizeof(ULONGLONG), CRC);
}
//******************************************************************************
END_NAME_SPACE()
//******************************************************************************
#endif
